238918455360 has 672 divisors, whose sum is σ = 925494915072. Its totient is φ = 58316267520.

The previous prime is 238918455353. The next prime is 238918455409. The reversal of 238918455360 is 63554819832.

238918455360 is a `hidden beast` number, since 2 + 3 + 8 + 9 + 1 + 84 + 553 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 238918455297 and 238918455306.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128380830 + ... + 128382690.

It is an arithmetic number, because the mean of its divisors is an integer number (1377224576).

Almost surely, 2^238918455360 is an apocalyptic number.

238918455360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238918455360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462747457536).

238918455360 is an abundant number, since it is smaller than the sum of its proper divisors (686576459712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238918455360 is a wasteful number, since it uses less digits than its factorization.

238918455360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 238918455360 in words is "two hundred thirty-eight billion, nine hundred eighteen million, four hundred fifty-five thousand, three hundred sixty".